diff --git a/src/uxn.c b/src/uxn.c
index 8f4a74d..60bad6f 100644
--- a/src/uxn.c
+++ b/src/uxn.c
@@ -111,7 +111,6 @@ uxn_boot(Uxn *u, Uint8 *ram)
 	u->ram = ram;
 	u->wst = (Stack*)(ram + 0x10000);
 	u->rst = (Stack*)(ram + 0x10100);
-	u->dev2 = (Uint8*)(ram + 0x10200);
 	return 1;
 }
 
diff --git a/src/uxn.h b/src/uxn.h
index bb41e23..9a023a7 100644
--- a/src/uxn.h
+++ b/src/uxn.h
@@ -37,7 +37,7 @@ typedef struct Device {
 } Device;
 
 typedef struct Uxn {
-	Uint8 *ram, *dev2;
+	Uint8 *ram;
 	Stack *wst, *rst;
 	Uint8 (*dei)(struct Uxn *u, Uint8 address);
 	void (*deo)(struct Uxn *u, Uint8 address, Uint8 value);
diff --git a/src/uxn11.c b/src/uxn11.c
index 71b7db9..bc5e91a 100644
--- a/src/uxn11.c
+++ b/src/uxn11.c
@@ -168,6 +168,19 @@ processEvent(void)
 	}
 }
 
+static Uint8
+nil_dei(Device *d, Uint8 port)
+{
+	return d->dat[port];
+}
+
+static void
+nil_deo(Device *d, Uint8 port)
+{
+	(void)d;
+	(void)port;
+}
+
 static int
 start(Uxn *u, char *rom)
 {
@@ -178,6 +191,24 @@ start(Uxn *u, char *rom)
 	fprintf(stderr, "Loaded %s\n", rom);
 	u->dei = uxn11_dei;
 	u->deo = uxn11_deo;
+
+	/* system   */ uxn_port(u, 0x0, nil_dei, system_deo);
+	/* console  */ uxn_port(u, 0x1, nil_dei, console_deo);
+	/* screen   */ devscreen = uxn_port(u, 0x2, screen_dei, screen_deo);
+	/* empty    */ uxn_port(u, 0x3, nil_dei, nil_deo);
+	/* empty    */ uxn_port(u, 0x4, nil_dei, nil_deo);
+	/* empty    */ uxn_port(u, 0x5, nil_dei, nil_deo);
+	/* empty    */ uxn_port(u, 0x6, nil_dei, nil_deo);
+	/* empty    */ uxn_port(u, 0x7, nil_dei, nil_deo);
+	/* control  */ devctrl = uxn_port(u, 0x8, nil_dei, nil_deo);
+	/* mouse    */ devmouse = uxn_port(u, 0x9, nil_dei, nil_deo);
+	/* file0    */ uxn_port(u, 0xa, file_dei, file_deo);
+	/* file1    */ uxn_port(u, 0xb, file_dei, file_deo);
+	/* datetime */ uxn_port(u, 0xc, datetime_dei, nil_deo);
+	/* empty    */ uxn_port(u, 0xd, nil_dei, nil_deo);
+	/* reserved */ uxn_port(u, 0xe, nil_dei, nil_deo);
+	/* reserved */ uxn_port(u, 0xf, nil_dei, nil_deo);
+
 	screen_resize(&uxn_screen, WIDTH, HEIGHT);
 	if(!uxn_eval(u, PAGE_PROGRAM))
 		return error("Boot", "Failed to start rom.");